#ArsenicLife ad absurdam.. Now that independent investigators have strongly contested the claim that a strain of exteremophile bacteria can incorporate arsenic into its DNA, the original paper’s lead author denies the contents of her own abstract.

Video of the week, via io9: a “fly-through” view of a nebula, created by NASA using data from the Hubble Space Telescope. Am I the only one who hears the Star Trek: Voyager theme while this plays?